The markets for commodities like corn, wheat, gasoline and ethanol are global. The exportable supply of grains in the US has a strong influence on world prices. Canada is much less important in world markets for grains and oilseeds, though still a large exporter. Renewable energy policies in the United States will likely have greater economic impacts on Canadian agriculture than will domestic biofuel policies. The policy effects in both countries have benefited landowners by way of sharp gains in land prices.